diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index e2e6174..4fa3a76 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -1,5 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
-<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+<manifest xmlns:tools="http://schemas.android.com/tools"
+    xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <uses-feature android:name="android.hardware.telephony" android:required="true"
+        tools:ignore="UnnecessaryRequiredFeature" />
 
     <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.SEND_SMS" />